Odontodactylus scyllarus eye movements (Mantis Shrimp)
Some video showing the independent scanning eye movements of the mantis shrimp, Odontodactylus scyllarus. The dark areas of the eye are called the pseudopupil. The pseudopupil is created by the facets of the eye that are looking directly at you. You will notice that the mantis shrimp often has three separate pseudopopils in each eye looking at you, this gives them trinocular depth perception in each eye independently. You will also sometimes see the pseudopupils get very large. This is when the animal points the acute zone of the eye at you. The acute zone has much greater resolution than the rest of the eye, and is analogous to our fovea.
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